perf_event_open02 from ubuntu_ltp_syscalls failed on F-aws / B-oracle-5.4 with specific instance

Bug #1909187 reported by Po-Hsu Lin
12
This bug affects 2 people
Affects Status Importance Assigned to Milestone
ubuntu-kernel-tests
New
Undecided
Unassigned

Bug Description

Issue found with Focal AWS 5.4.0-1034.35, exclusively on a1.medium

Fail rate: 2/2

Test failed with:
 startup='Wed Dec 23 18:40:58 2020'
 tst_test.c:1261: TINFO: Timeout per run is 0h 05m 00s
 perf_event_open02.c:130: TINFO: bench_work estimated loops = 5715 in 500 ms
 perf_event_open02.c:175: TINFO: [0] value:2287744246 time_enabled:500058840 time_running:500058840
 perf_event_open02.c:175: TINFO: [1] value:2287708056 time_enabled:500381232 time_running:500381232
 perf_event_open02.c:175: TINFO: [2] value:2289974062 time_enabled:504715896 time_running:504715896
 perf_event_open02.c:175: TINFO: [3] value:1715806060 time_enabled:532575876 time_running:399201912
 perf_event_open02.c:334: TINFO: nhw: 3, overall task clock: 4233846396
 perf_event_open02.c:335: TINFO: hw sum: 54940303470, task clock sum: 12702998172
 perf_event_open02.c:347: TINFO: ratio: 3.000345
 perf_event_open02.c:349: TFAIL: test failed (ratio was greater than 3)

 Summary:
 passed 0
 failed 1
 broken 0
 skipped 0
 warnings 0
 tag=perf_event_open02 stime=1608748858 dur=9 exit=exited stat=1 core=no cu=881 cs=0

As I can't see this failure on other ARM instances and not on B-5.4 AWS, I won't call this a regression.

Po-Hsu Lin (cypressyew)
description: updated
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Found on AWS Groovy 5.8.0-1021.23 a1.medium only.

Revision history for this message
Krzysztof Kozlowski (krzk) wrote :

Found on groovy/aws 5.8.0-1036.38 arm64 and 5.8.0-1035.37-aws arm64 (instance: a1.medium

tags: added: arm64 aws groovy sru-20210531 ubuntu-ltp-syscalls
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Found on H-aws 5.11.0-1019.20 with instance a1.medium.

Po-Hsu Lin (cypressyew)
tags: added: 5.11 hirsute sru-20210906
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Also spotted on i3en.24xlarge
H-aws 5.11.0-1019.20

summary: - perf_event_open02 from ubuntu_ltp_syscalls failed on F-aws a1.medium
+ perf_event_open02 from ubuntu_ltp_syscalls failed on F-aws with instance
+ a1.medium / i3en.24xlarge
Revision history for this message
Tim Gardner (timg-tpi) wrote : Re: perf_event_open02 from ubuntu_ltp_syscalls failed on F-aws with instance a1.medium / i3en.24xlarge

Found on Oracle 5.11.0-1019.20~20.04.1 VM.Standard2.1, passed on all other instances.

Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Found on Oracle B-5.4.0-1098 VM.DenseIO2.8, passed on all other instances.

tags: added: 5.4 bionic oracle sru-20230227
summary: - perf_event_open02 from ubuntu_ltp_syscalls failed on F-aws with instance
- a1.medium / i3en.24xlarge
+ perf_event_open02 from ubuntu_ltp_syscalls failed on F-aws /
+ B-oracle-5.4 with specific instance
Revision history for this message
Cory Todd (corytodd) wrote (last edit ):

Found on Oracle J-5.15.0-1040 VM.DenseIO2.8|VM.Standard.A1.Flex-4c.8m, passed on all other instances.

tags: added: sru-20230710
Revision history for this message
Magali Lemes do Sacramento (magalilemes) wrote :

Seen on j/fips with version 5.15.0-86.96+fips1 during cycle 2023.09.04 on arm64 openstack instance.

Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

This issue can be found on all 5.15 ARM64 openstack instances.

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